US8393487B1 - Hygienic twist lid for insulated beverage container - Google Patents
Hygienic twist lid for insulated beverage container Download PDFInfo
- Publication number
- US8393487B1 US8393487B1 US09/479,410 US47941000A US8393487B1 US 8393487 B1 US8393487 B1 US 8393487B1 US 47941000 A US47941000 A US 47941000A US 8393487 B1 US8393487 B1 US 8393487B1
- Authority
- US
- United States
- Prior art keywords
- cap
- drinking
- base member
- base
- selectively openable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
- B65D47/26—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts
- B65D47/261—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement
- B65D47/265—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement between planar parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
Definitions
- the invention relates to removable lids for beverage containers. More specifically, the invention relates to a selectively openable twist-type lid for an insulated beverage container.
- Thermally insulated beverage containers have become increasingly popular with the public for use with hot beverages, such as coffee. Containers of this type may also be used for cold beverages as well. Hot beverages, such as coffee and tea, impose the most demanding thermal requirements on such a container. As a result, consumers have come to appreciate that double walled, vacuum insulated containers perform this function best. Such containers have sidewalls often manufactured from metal, particularly stainless steel to withstand the high mechanical loading due to atmospheric pressure. Thermally insulated beverage containers designed for keeping cold beverages from becoming, warm typically place a lower thermal load on the beverage container. As a result, such containers are often manufactured with a plastic double wall, wherein the interstitial space between the inner and outer walls is either thermally insulated with air or a foamed material.
- the lid performs at least two functions, the first of which is to prevent the beverage from spilling out of the container when the user is not actually drinking the beverage. This feature is particularly important when a hot beverage is in the container so as to prevent the user from becoming burned if the container tips over.
- the lid should provide for drinking the fluid at a continual rate to prevent splashing or dribbling when the beverage is being drunk from the container.
- the lids for such containers are therefore typically provided with an open position, a closed position, and a third position in which the lid can be removed from the beverage container for cleaning.
- a selectively openable lid for a drinking vessel having relatively rotatable base and cap members.
- Each member has drinking and venting apertures that are rotatably alignable with respect to one another to form a first, closed position and a second, open position.
- Fluid seals between the base and cap member provide substantially leakproof fluid conduits between the respective venting and drinking apertures in the base and cap members when the members are in the second, open position, and isolate interstitial areas between the members from the drinking and venting apertures when the members are in their first, closed position.
- An alternate embodiment of the invention provides a structure to delimit the relative rotation of the cap and base members to the first and second positions described above, as well as to a third position in which the cap and base members are disengageable so that they may be cleaned by immersion in a dishwasher or the like without the need for an individual to physically maintain the members in a separate condition against spring pressure or the like.
- the lid can also be provided with a detent mechanism to discourage inadvertent relative rotation of the members from the first, closed position to the third, disengaged position.
- the base and cap members are preferably provided with corresponding bayonet ears for relative rotational engagement therebetween.
- a rotational bearing in the form of a spindle and arbor can be provided to guide the relative rotation of the cap and base members.
- the cap and base member can be provided with substantially any external geometric appearance, however a circular appearance is preferred to coincide with the substantially circular cross-sectional dimension of most beverage containers.
- the cap member is preferably provided with a depressed central region to form a drinking basin for the user.
- FIG. 1 is an isometric, perspective view of the selectively openable lid of the present invention in use with a generic drinking vessel.
- FIG. 2 is a top plan view of the lid in a closed position.
- FIG. 3 is a top plan view of the lid in an open position.
- FIG. 4 is an exploded, isometric view of base and cap members of the invention.
- FIG. 5 is a bottom plan view of the cap member of the invention.
- FIG. 6 is a top plan view of the base member of the invention.
- FIG. 7 is a cross-sectional, side elevational view of the lid taken along lines 7 - 7 of FIG. 3 .
- FIG. 8 is an enlarged, partial cross-sectional view of the circled area indicated in FIG. 7 .
- a three-position, selectively openable lid is generally indicated at reference numeral 10 for use with a thermally insulated beverage container 12 , as shown in FIG. 1 .
- the lid 10 has substantially circular cap and base members, generally indicated at reference numerals 14 and 16 in FIGS. 4 , 5 and 6 .
- the cap and base members each have corresponding drinking apertures 18 , 20 and venting apertures 22 , 24 .
- the cap and base members 14 , 16 are relatively rotatably moveable with respect to one another from a first closed position shown in FIG. 2 , wherein the cap member drinking and venting apertures 18 , 22 and the base member 16 drinking and venting apertures 22 , 24 are out of respective registration with one another, to a second, open position shown in FIG.
- cap and base members are also moveable to a third, disengaged position shown in FIG. 4 by further rotating the cap member with respect to the base member in the counter clockwise direction 30 degrees from the first, closed position.
- the lid 10 when the lid 10 is in the first closed position shown in FIG. 2 , a user may not drink from the beverage container 12 , whereas when the lid is in the second open position, shown in FIG. 3 , the user may drink from the beverage container 12 .
- the user may also separate the cap and base members 14 , 16 , as shown in FIG. 4 , for cleaning, such as in a dishwasher.
- the cap member 14 has an inwardly tapered and downwardly directly circular sidewall 30 , defining a depressed drinking basin 32 having an upper surface 34 and a lower surface 36 , defining the drinking and venting apertures 18 , 22 .
- the cap member 14 also has a downwardly depending external, circumferential flange 38 , having a knurled region 40 for grasping the cap member and rotating the same with respect to the base member 16 .
- the cap member sidewall 30 has on its outer side diametrically opposed and laterally extending bayonet ears 44 , each subtending an angle of approximately 60 degrees.
- the lower surface 36 of the cap member also supports a downwardly directed, cylindrical projection or spindle 46 , for guiding relative rotation of the cap and base members 14 , 16 .
- the external flange 38 of the cap member 14 supports a downwardly directed, arcuate projection or timing cam 48 for limiting relative rotation of the cap and base members 14 , 16 .
- the timing cam subtends an angle of approximately 22.5 degrees.
- the base member has a substantially circular sidewall 52 having external threads 54 adapted for mating with corresponding threads (not shown) on an inside surface of the beverage container 12 .
- the sidewall 52 has, at an upper end thereof, a circumferential rim 56 which supports an O-ring 58 on the underside of the rim for forming a fluid-tight seal with the beverage container 12 .
- the sidewall 52 also defines a substantially flat, depressed floor region 60 which defines the drinking and venting apertures 20 , 24 .
- An upper surface of the floor region also defines a depressed central arbor 62 having sidewalls which form a bearing surface for the spindle 46 .
- the arbor itself, has a floor 64 to prevent fluid from the beverage container from passing into the upper surface of the floor region 60 other than through the drinking or venting apertures 20 , 24 .
- the rim 56 of the base member 16 also has first and second delimiting stop members 66 , 68 which project upwardly from the rim.
- the stop members are separated by an angular distance of approximately 145 degrees and form a receiving channel 70 for the timing cam projection 48 .
- the “leading edge” of a structural member is defined as the surface which is first encountered when the cap member 14 is rotated in a counter clockwise direction as shown in FIGS. 1 through 3 .
- the receiving channel 70 is provided with a ramp-like detent structure 76 located approximately one-third of the distance from the second delimiting stop member 68 to the first delimiting stop member 66 .
- the detent structure 76 discourages inadvertent rotation of the cap member 14 in a counter-clockwise direction from the first, closed position to the third, disengaged position unless the user imparts sufficient torque to the cap member to resiliently deform the timing cam 48 so that it may pass over the detent structure 76 .
- the base member 16 has first and second inwardly directed bayonet ears 80 , 82 on an inner surface of the circular sidewall 52 .
- the leading edges 84 , 86 of the bayonet ears 80 , 82 are diametrically opposed with respect to the center of arbor 62 .
- the first bayonet ear 80 subtends an angle of approximately 60 degrees
- the second bayonet ear 86 subtends an angle of approximately 30 degrees.
- the trailing edges 88 , 90 are not diametrically opposed.
- This asymmetrical structure permits the cap member 14 to be released from the base member 16 when the timing cam leading edge 72 is in contact with the first delimiting stop member 66 .
- the base member 16 is provided with a venting aperture seal 100 and a drinking aperture seal 110 .
- the seals are preferably manufactured from food grade silicon or rubber and are in the shape of an arcuately deformed figure-8. One portion of the figure-8 portion of each seal circumscribes the respective drinking or venting aperture. The remaining portion of the figure-8 shaped seal circumscribes empty areas 112 , 114 of the floor region 60 of the base member 16 .
- the drinking and venting apertures 20 , 24 of the base member 16 are in registration with the smooth, lower surface 36 of the cap member 14 , which are surrounded by portions of the figure-8 shaped seals 100 , 110 .
- the lower surface 36 of the cap member 14 and substantially all of the floor region 60 of the base member 16 remain uncontaminated by fluid from the drinking vessel 12 .
- the drinking and venting apertures 18 , 20 and 22 , 24 are in registration and also surrounded by closed portions of the seals 100 , 110 .
- the lower surface 36 and floor region 60 also remain uncontaminated by fluid in the beverage container 12 when a user is drinking therefrom.
- the assignee of the present invention has discovered that by fluidly isolating the drinking and venting apertures from the remaining structure of the lid 10 , the lid remains substantially sanitary for much longer periods of time as compared to prior art designs. Eventually, when it is necessary to clean the respective parts of the lid, the user can easily disassemble the lid as shown in FIG. 4 and place the parts in a dishwasher or the like for cleaning and sanitization.
- the cap and base members 14 , 16 are preferably manufactured from a food grade thermo-plastic elastomer such as acrylonitrile butadiene styrene (ABS) or another suitable injection molded polymer.
- the seals 100 , 110 and the O-ring 58 are preferably manufactured from food grade silicon, rubber or another suitable material.
- the knurled region 40 is preferably a rubberized material adhered to or ultrasonically welded onto the external flange 38 .
- FIG. 4 Another feature of the invention is disclosed in FIG. 4 .
- the invention provides for gradual release of pressure when the lid 10 is rotated from the closed to open position. Such pressure may undesirably form inside the drinking vessel 12 when there is a drop in ambient temperature while the lid is in the closed position and a hot beverage is stored in the vessel. If the vessel is full, some of the fluid may be undesirably ejected from the venting aperture 22 .
- the venting aperture 22 is provided with a lower, arcuate depression or rebate 120 .
- the rebate has a depth of approximately one-half of the thickness of the drinking basin 32 and has a length of approximately one-quarter inch. As best seen in FIG.
- the rebate 120 and venting aperture 22 are preferably totally circumscribed by the portion of seal 100 which encloses empty area 112 when the lid 10 is in the closed position.
- the rebate 120 clears the empty area 112 first. This provides a small, indirect venting pathway from inside the vessel 12 to outside of the vessel to gently release any such pressure.
- the seals 110 , 112 can be placed on the lower surface 36 of the drinking basin 32 while the floor region 60 of the base member 16 can be made substantially smooth.
- the orientation of the bayonet ears described above can be reversed with the symmetrical bayonet ears being positioned on the base member 16 , and the asymmetrical bayonet ears being placed on the cap member 14 .
- the timing arrangements of the stop members 66 , 68 , timing cam 48 , and relative positions of the drinking and venting apertures can all be rearranged in accordance with the design choice of those of ordinary skill in the art in accordance with the concepts of the invention as discussed above. Therefore, the invention is not to be limited by the above disclosure but is to be determined in scope by the claims which follow.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims (21)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US09/479,410 US8393487B1 (en) | 2000-01-06 | 2000-01-06 | Hygienic twist lid for insulated beverage container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US09/479,410 US8393487B1 (en) | 2000-01-06 | 2000-01-06 | Hygienic twist lid for insulated beverage container |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US29/118,974 Division USD441288S1 (en) | 2000-01-06 | 2000-02-18 | Twist lid |
Publications (1)
Publication Number | Publication Date |
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US8393487B1 true US8393487B1 (en) | 2013-03-12 |
Family
ID=47780375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US09/479,410 Expired - Fee Related US8393487B1 (en) | 2000-01-06 | 2000-01-06 | Hygienic twist lid for insulated beverage container |
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US (1) | US8393487B1 (en) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120261416A1 (en) * | 2011-04-18 | 2012-10-18 | Cheng-Chi Lin | Container cap |
US20130105478A1 (en) * | 2011-10-29 | 2013-05-02 | Gaia Beverage Vessels Inc. | Bottle and travel mug in one vessel |
USD729333S1 (en) | 2012-02-09 | 2015-05-12 | Broodle Brands, LLC | Noodle cap |
USD744780S1 (en) | 2014-06-30 | 2015-12-08 | Sistema Plastics Limited | Beverage container |
USD746933S1 (en) | 2013-03-15 | 2016-01-05 | Kent M. ARNOLD | Pool noodle with beverage holder |
US9540151B2 (en) | 2015-03-06 | 2017-01-10 | Berlin Packaging, Llc | Twist closure for opening and closing containers |
EP3196143A1 (en) * | 2016-01-24 | 2017-07-26 | Highwave, Inc. | Lid structure for a container and container fitted with the lid |
US20170253389A1 (en) * | 2016-03-04 | 2017-09-07 | Brumis Imports, Inc. | Travel mug with a twist lid |
USD804909S1 (en) | 2016-08-19 | 2017-12-12 | Vandor Llc | Cup |
US20180050849A1 (en) * | 2016-08-22 | 2018-02-22 | Sorry Robots, LLC | Travel Cup |
AU2012304544B2 (en) * | 2011-09-06 | 2018-05-17 | Ronald Mark Buck | Lid with integrated container |
US20180140120A1 (en) * | 2016-11-23 | 2018-05-24 | William Jeffrey Shackelford | Modified Tumbler Lid |
US20190092535A1 (en) * | 2017-09-26 | 2019-03-28 | Can't Live Without It, LLC | Bottle with drink-through cap |
US10252840B2 (en) * | 2014-09-23 | 2019-04-09 | Puratap Pty Ltd | Bottle lid assembly with retractable spout |
US10526117B2 (en) | 2016-08-05 | 2020-01-07 | The Hillman Group, Inc. | Lid assembly and related container for fasteners |
CN112009878A (en) * | 2020-08-27 | 2020-12-01 | 杨琼英 | Dairy product beverage packaging box with self-heating protection structure |
US10926924B2 (en) | 2018-05-17 | 2021-02-23 | Helen Of Troy Limited | Drink container lid assembly |
KR20210064071A (en) * | 2019-11-25 | 2021-06-02 | 다아트 인더스트리즈 인코포레이팃드 | Beverage container open indicator |
US11161654B2 (en) * | 2019-03-29 | 2021-11-02 | Group B Labs, Inc. | Cap for automatic orifice blocking |
CN113665971A (en) * | 2020-05-13 | 2021-11-19 | 科劲发展有限公司 | Cap assembly having a rotary trigger for a sealing assembly and beverage container comprising the same |
WO2022076218A1 (en) * | 2020-10-06 | 2022-04-14 | Helen Of Troy Limited | Seal arrangement for a container closure |
US11337556B2 (en) | 2017-07-19 | 2022-05-24 | Group B Labs, Inc. | Liquid food item preservation and preparation |
US11414246B2 (en) * | 2019-11-24 | 2022-08-16 | Patrick James McCluskey | All-glass travel mug |
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